diff -Nur eduke32_src_20080610.old/build/src/dynamicgtk.c eduke32_src_20080610/build/src/dynamicgtk.c
--- eduke32_src_20080610.old/build/src/dynamicgtk.c	2008-05-09 18:29:36.000000000 +0300
+++ eduke32_src_20080610/build/src/dynamicgtk.c	2008-06-20 23:36:29.000000000 +0300
@@ -20,7 +20,7 @@
 
     if (handle) return 1;
 
-    handle = dlopen("libgtk-x11-2.0.so", RTLD_NOW|RTLD_GLOBAL);
+    handle = dlopen("libgtk-x11-2.0.so.0", RTLD_NOW|RTLD_GLOBAL);
     if (!handle) return -1;
 
     memset(&dynamicgtksyms, 0, sizeof(dynamicgtksyms));
diff -Nur eduke32_src_20080610.old/build/src/engine.c eduke32_src_20080610/build/src/engine.c
--- eduke32_src_20080610.old/build/src/engine.c	2008-06-11 00:05:50.000000000 +0300
+++ eduke32_src_20080610/build/src/engine.c	2008-06-20 23:38:32.000000000 +0300
@@ -2459,8 +2459,11 @@
     {
         wallnum = thewall[z]; nextsectnum = wall[wallnum].nextsector;
 
-        if (dastat == 0) j = sector[nextsectnum].ceilingstat;
-        else j = sector[nextsectnum].floorstat;
+        if (nextsectnum >= 0) // Fixes an "invisible" crash which doesn't always occur. - NY00123
+        {
+          if (dastat == 0) j = sector[nextsectnum].ceilingstat;
+          else j = sector[nextsectnum].floorstat;
+        }
 
         if ((nextsectnum < 0) || (wall[wallnum].cstat&32) || ((j&1) == 0))
         {